(solution) 1) Calculate the vapor pressure of a solution containing 24.5 g

1) Calculate the vapor pressure of a solution containing 24.5 g glycerin (C3H8O3) in 135 mL of water at 30.0 °C. The vapor pressure of pure water at this temperature is 31.8 torr. Assume that glycerin is not volatile and dissolve molecularly (that is, it is not ionic), and use a density of 1.00 g/mL for the water.

2) identify the solute with the highest van't hoff factor

A) C6H12O6

B) KI

C) MgSO4

D) CaCl2

E) AlCl3

3) Calculate the heat needed for converting 10.0 g of ice at -25.0 C to water at 80.0 C.

 

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Sep 13, 2020

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